package com.atguigu.eduservice.controller;


import com.atguigu.commonutils.R;
import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.vo.CourseInfoVo;
import com.atguigu.eduservice.entity.vo.CoursePublishVo;
import com.atguigu.eduservice.entity.vo.CourseQuery;
import com.atguigu.eduservice.service.EduCourseService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 */
@RestController
@RequestMapping("/eduservice/course")
//@CrossOrigin
public class EduCourseController {

    @Autowired
    private EduCourseService courseService;

    //课程列表 基本实现
    //TODO 完善条件查询带分页
    @GetMapping
    public R getCourseList(){
        List<EduCourse> list=courseService.list(null);
        return R.ok().data("list",list);
    }

    //3.分页查询课程的方法
    //current当前页
    //limit每页记录数
    @GetMapping("pageCourse/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,@PathVariable long limit){
        //创建page对象
        Page<EduCourse> pageCourse=new Page<>(current,limit);
        //调用方法实现分页
        //调用方法时候,底层封装把分页所有数据封装到pageTeacher对象里面
        courseService.page(pageCourse,null);

        long total = pageCourse.getTotal();//总记录数
        List<EduCourse> records = pageCourse.getRecords();//数据list集合


        return R.ok().data("total",total).data("rows",records);
    }

    //4.条件查询带分页的方法
    @PostMapping("pageCourseCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current, @PathVariable long limit,
                                  @RequestBody(required=false) CourseQuery courseQuery){
        //创建一个配置对象
        Page<EduCourse> pageCourse=new Page<>(current,limit);
        //构建条件
        QueryWrapper<EduCourse> wrapper=new QueryWrapper<>();

        //多条件组合查询
        //mybatis 动态sql
        //判断条件值是否为空,如果不为空拼接条件
        String title=courseQuery.getTitle();
        String status=courseQuery.getStatus();

        if(!StringUtils.isEmpty(title)){
            //构建条件
            wrapper.like("title",title);
        }

        if(!StringUtils.isEmpty(status)){
            wrapper.le("status",status);
        }

        //排序
        wrapper.orderByDesc("gmt_create");

        //wrapper
        //调用方法实现条件分页查询
        courseService.page(pageCourse,wrapper);

        long total = pageCourse.getTotal();//总记录数
        List<EduCourse> records = pageCourse.getRecords();//数据list集合


        return R.ok().data("total",total).data("rows",records);

    }





    //添加课程基本信息方法
    @PostMapping("addCourseInfo")
    public R addCourseInfo(@RequestBody CourseInfoVo courseInfoVo){
        String id=courseService.saveCourseInfo(courseInfoVo);
        return R.ok().data("courseId",id);
    }

     //根据课程id查询课程基本信息
    @GetMapping("getCourseInfo/{courseId}")
    public R getCourseInfo(@PathVariable String courseId){
        CourseInfoVo courseInfoVo=courseService.getCourseInfo(courseId);
       return R.ok().data("courseInfoVo",courseInfoVo);
    }

    //修改课程信息
     @PostMapping("updateCourseInfo")
        public R updateCourseInfo(@RequestBody CourseInfoVo courseInfoVo){
        courseService.updateCourseInfo(courseInfoVo);
         return R.ok();
     }
     //根据课程id查询课程确认信息
    @GetMapping("getPublishCourseInfo/{id}")
    public R getPublishCourseInfo(@PathVariable String id){
        CoursePublishVo coursePublisVo=courseService.publishCourseInfo(id);
        return R.ok().data("publishCourse",coursePublisVo);
    }
    //课程最终发布
    //修改课程状态
    @PostMapping("publishCourse/{id}")
    public R publishCourse(@PathVariable String id){
        EduCourse eduCourse=new EduCourse();
        eduCourse.setId(id);
        eduCourse.setStatus("Normal");//设置课程发布状态
        courseService.updateById(eduCourse);
        return R.ok();
    }

     //删除课程
    @DeleteMapping("{courseId}")
    public R deleteCourse(@PathVariable String courseId){
   courseService.removeCourse(courseId);
   return R.ok();
    }




}

